21 lines
716 B
Diff
21 lines
716 B
Diff
2013-06-12 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/57537
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* tree-vect-patterns.c (vect_recog_widen_mult_pattern): If
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vect_handle_widen_op_by_const, convert oprnd1 to half_type1.
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--- gcc/tree-vect-patterns.c.jj 2013-05-17 10:53:10.000000000 +0200
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+++ gcc/tree-vect-patterns.c 2013-06-12 09:49:30.151854270 +0200
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@@ -640,7 +640,10 @@ vect_recog_widen_mult_pattern (vec<gimpl
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&& vect_handle_widen_op_by_const (last_stmt, MULT_EXPR, oprnd1,
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&oprnd0, stmts, type,
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&half_type0, def_stmt0))
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- half_type1 = half_type0;
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+ {
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+ half_type1 = half_type0;
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+ oprnd1 = fold_convert (half_type1, oprnd1);
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+ }
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else
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return NULL;
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}
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